*/
#include "cache.h"
+#ifndef DEFAULT_GIT_TEMPLATE_DIR
+#define DEFAULT_GIT_TEMPLATE_DIR "/usr/share/git-core/templates/"
+#endif
+
static void safe_create_dir(const char *dir)
{
if (mkdir(dir, 0777) < 0) {
static int copy_file(const char *dst, const char *src, int mode)
{
- int fdi, fdo;
+ int fdi, fdo, status;
mode = (mode & 0111) ? 0777 : 0666;
if ((fdi = open(src, O_RDONLY)) < 0)
close(fdi);
return fdo;
}
- while (1) {
- char buf[BUFSIZ];
- ssize_t leni, leno, ofs;
- leni = read(fdi, buf, sizeof(buf));
- if (leni < 0) {
- error_return:
- close(fdo);
- close(fdi);
- return -1;
- }
- if (!leni)
- break;
- ofs = 0;
- do {
- leno = write(fdo, buf+ofs, leni);
- if (leno < 0)
- goto error_return;
- leni -= leno;
- ofs += leno;
- } while (0 < leni);
- }
+ status = copy_fd(fdi, fdo);
close(fdo);
- close(fdi);
- return 0;
+ return status;
}
static void copy_templates_1(char *path, int baselen,
}
}
-static void copy_templates(const char *git_dir)
+static void copy_templates(const char *git_dir, int len, char *template_dir)
{
char path[PATH_MAX];
char template_path[PATH_MAX];
- char *template_dir;
- int len, template_len;
+ int template_len;
DIR *dir;
- strcpy(path, git_dir);
- len = strlen(path);
- template_dir = gitenv(TEMPLATE_DIR_ENVIRONMENT);
if (!template_dir)
- template_dir = DEFAULT_GIT_TEMPLATE_ENVIRONMENT;
+ template_dir = DEFAULT_GIT_TEMPLATE_DIR;
strcpy(template_path, template_dir);
template_len = strlen(template_path);
if (template_path[template_len-1] != '/') {
template_path[template_len++] = '/';
template_path[template_len] = 0;
}
-
dir = opendir(template_path);
- if (!dir)
+ if (!dir) {
+ fprintf(stderr, "warning: templates not found %s\n",
+ template_dir);
return;
+ }
+
+ memcpy(path, git_dir, len);
+ path[len] = 0;
copy_templates_1(path, len,
template_path, template_len,
dir);
closedir(dir);
}
-static void create_default_files(const char *git_dir)
+static void create_default_files(const char *git_dir,
+ char *template_path)
{
unsigned len = strlen(git_dir);
static char path[PATH_MAX];
+ unsigned char sha1[20];
if (len > sizeof(path)-50)
die("insane git directory %s", git_dir);
/*
* Create the default symlink from ".git/HEAD" to the "master"
- * branch
+ * branch, if it does not exist yet.
*/
strcpy(path + len, "HEAD");
- if (symlink("refs/heads/master", path) < 0) {
- if (errno != EEXIST) {
- perror(path);
+ if (read_ref(path, sha1) < 0) {
+ if (create_symref(path, "refs/heads/master") < 0)
exit(1);
+ }
+ path[len] = 0;
+ copy_templates(path, len, template_path);
+
+ /*
+ * Find out if we can trust the executable bit.
+ */
+ safe_create_dir(path);
+ strcpy(path + len, "config");
+ if (access(path, R_OK) < 0) {
+ static const char contents[] =
+ "#\n"
+ "# This is the config file\n"
+ "#\n"
+ "\n"
+ "; core variables\n"
+ "[core]\n"
+ " ; Don't trust file modes\n"
+ " filemode = false\n"
+ "\n";
+ FILE *config = fopen(path, "w");
+ struct stat st;
+
+ if (!config)
+ die("Can not write to %s?", path);
+
+ fwrite(contents, sizeof(contents)-1, 1, config);
+
+ fclose(config);
+
+ if (!lstat(path, &st)) {
+ struct stat st2;
+ if (!chmod(path, st.st_mode ^ S_IXUSR) &&
+ !lstat(path, &st2) &&
+ st.st_mode != st2.st_mode)
+ unlink(path);
+ else
+ fprintf(stderr, "Ignoring file modes\n");
}
}
- copy_templates(path);
}
+static const char init_db_usage[] =
+"git-init-db [--template=<template-directory>]";
+
/*
* If you want to, you can share the DB area with any number of branches.
* That has advantages: you can save space by sharing all the SHA1 objects.
{
const char *git_dir;
const char *sha1_dir;
- char *path;
+ char *path, *template_dir = NULL;
int len, i;
+ for (i = 1; i < argc; i++, argv++) {
+ char *arg = argv[1];
+ if (arg[0] != '-')
+ break;
+ else if (!strncmp(arg, "--template=", 11))
+ template_dir = arg+11;
+ else
+ die(init_db_usage);
+ }
+
/*
* Set up the default .git directory contents
*/
- git_dir = gitenv(GIT_DIR_ENVIRONMENT);
+ git_dir = getenv(GIT_DIR_ENVIRONMENT);
if (!git_dir) {
git_dir = DEFAULT_GIT_DIR_ENVIRONMENT;
fprintf(stderr, "defaulting to local storage area\n");
}
safe_create_dir(git_dir);
- create_default_files(git_dir);
+ create_default_files(git_dir, template_dir);
/*
* And set up the object store.
memcpy(path, sha1_dir, len);
safe_create_dir(sha1_dir);
- for (i = 0; i < 256; i++) {
- sprintf(path+len, "/%02x", i);
- safe_create_dir(path);
- }
strcpy(path+len, "/pack");
safe_create_dir(path);
+ strcpy(path+len, "/info");
+ safe_create_dir(path);
return 0;
}
projects / git.git / blobdiff